Add more logging

NearbyShare/InboundNearbyConnection.swift

@@ -45,10 +45,8 @@ class InboundNearbyConnection: NearbyConnection {
     }
 
     override func processReceivedFrame(frameData: Data) {
-        if currentState != .receivingFiles {
-            log("Received frame in state \(currentState)...")
-        }
-
+        log("Received frame in state \(currentState)...")
+        
         do {
             switch currentState {
             case .initial:
@@ -132,6 +130,7 @@ class InboundNearbyConnection: NearbyConnection {
             transferredFiles.removeValue(forKey: id)
             
             if transferredFiles.isEmpty {
+                log("All files received, sending disconnection frame and disconnecting.")
                 try sendDisconnectionAndDisconnect()
             }
         }
@@ -154,6 +153,7 @@ class InboundNearbyConnection: NearbyConnection {
                 }
             }
 
+            log("Received text payload. Disconnecting...")
             try sendDisconnectionAndDisconnect()
             return true
         }
@@ -166,6 +166,8 @@ class InboundNearbyConnection: NearbyConnection {
             fileInfo.progress?.unpublish()
             transferredFiles.removeValue(forKey: id)
             SaveFilesManager.shared.registerFileFinishedDownloading(fileInfo.destinationURL)
+            
+            log("Received file payload. Disconnecting...")
             try sendDisconnectionAndDisconnect()
             return true
         }

NearbyShare/NearbyConnection.swift

@@ -79,6 +79,7 @@ class NearbyConnection {
     }
     
     func protocolError() {
+        log("Protocol error: \(String(describing: lastError))")
         disconnect()
     }
     
@@ -108,6 +109,7 @@ class NearbyConnection {
                 return
             }
             if isComplete {
+                log("Connection closed by peer during receiveFrameAsync")
                 self.handleConnectionClosure()
                 return
             }
@@ -136,6 +138,7 @@ class NearbyConnection {
                 return
             }
             if isComplete {
+                log("Connection closed by peer during receiveFrameAsync")
                 self.handleConnectionClosure()
                 return
             }
@@ -410,11 +413,15 @@ class NearbyConnection {
     }
     
     func disconnect() {
+        log("Disconnecting from connection.")
+        
+        connection.stateUpdateHandler = nil
+        connectionClosed = true
+        
+        self.handleConnectionClosure()
+        
         connection.send(content: nil, isComplete: true, completion: .contentProcessed { _ in
         })
-        self.handleConnectionClosure()
-        connectionClosed = true
-        connection.stateUpdateHandler = nil
     }
     
     func sendDisconnectionAndDisconnect() throws {
@@ -428,6 +435,8 @@ class NearbyConnection {
         } else {
             try sendFrameAsync(offlineFrame.serializedData())
         }
+        
+        log("Sent disconnection frame during sendDisconnectionAndDisconnect")
         disconnect()
     }
     
@@ -438,6 +447,8 @@ class NearbyConnection {
         msg.messageType = .alert
         msg.messageData = try! alert.serializedData()
         sendFrameAsync(try! msg.serializedData())
+        
+        log("Sent UKEY2 alert: \(type)")
         disconnect()
     }
     

NearbyShare/NearbyConnectionManager.swift

@@ -269,6 +269,8 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
 
     public func submitUserConsent(transferID: String, accept: Bool, storeInTemp: Bool = false) {
         guard let conn = activeConnections[transferID] else { return }
+        
+        log("Submitting user consent for transfer, accepted: \(accept), store in temp: \(storeInTemp)")
         conn.submitUserConsent(accepted: accept, storeInTemp: storeInTemp)
     }